Ruler · 1150 – 1192

Orio Mastropiero

Lived 1150 – 1192; politician, diplomat. Doge of Venice of Republic of Venice, 1178 – 1192.

For the full story, the article on Wikipedia (CC BY-SA 4.0); this page holds what the record says of the reign.

Lived: 1150 – 1192; 42 years
In office: 14 years; one reign
Lines: 1; Republic of Venice
Left it: abdicated; the ruler's own article

Doge of Venice

Republic of Venice · the 39th of 121 dated reigns · 717 – 1797

35 before

Domenico Morosini1148 – 1156

Vitale II Michiel1155 – 1172

Sebastiano Ziani1172 – 1178

Orio Mastropiero1178 – 1192

Enrico Dandolo1192 – 1205

Pietro Ziani1205 – 1229

Jacopo Tiepolo1229 – 1249

79 after

killed, executed or dead in battledeposed, abdicated, exiled or removeddied in officeleft alive by a regular roadending not on recorda second row: a reign that began before the last had ended — rival claimants, or a shared thronethis entry

Reigned 1178 – 1192 · 14 years · came to it aged 28

Left it: abdicatedread from the ruler's own article

In May 1192, having taken ill, Mastropiero abdicated as doge and retired to the monastery of San Croce.

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Wikidata Q1073866 (CC0) · the reigns from Wikidata's P39 terms, the rulers' own articles read by grammar (sentences quoted above, CC BY-SA 4.0) and Kokkonen & Sundell where they code the line · data built 2026-10-06 · Pastlas v2.9.1, by Oleh Voronko. The published atlas and its data are for non-commercial use.